diff --git a/app/controllers/issues_controller.rb b/app/controllers/issues_controller.rb
index f1fed83..99e1482 100644
--- a/app/controllers/issues_controller.rb
+++ b/app/controllers/issues_controller.rb
@@ -112,7 +112,7 @@ class IssuesController < ApplicationController
     @journals.reject! {|journal| !journal.notes? && journal.visible_details.empty?}
     @journals.reverse! if User.current.wants_comments_in_reverse_order?
 
-    @changesets = @issue.changesets.visible.all
+    @changesets = @issue.changesets.visible.preload(:repository, :user).to_a
     @changesets.reverse! if User.current.wants_comments_in_reverse_order?
 
     @relations = @issue.relations.select {|r| r.other_issue(@issue) && r.other_issue(@issue).visible? }
diff --git a/app/helpers/issues_helper.rb b/app/helpers/issues_helper.rb
index f3a876c..ab78fe0 100644
--- a/app/helpers/issues_helper.rb
+++ b/app/helpers/issues_helper.rb
@@ -79,7 +79,7 @@ module IssuesHelper
 
   def render_descendants_tree(issue)
     s = '<form><table class="list issues">'
-    issue_list(issue.descendants.visible.sort_by(&:lft)) do |child, level|
+    issue_list(issue.descendants.visible.preload(:status, :priority, :tracker).sort_by(&:lft)) do |child, level|
       css = "issue issue-#{child.id} hascontextmenu"
       css << " idnt idnt-#{level}" if level > 0
       s << content_tag('tr',